SentiLink
Fintech
PrincipalInformationSecurityEngineer
Neural analysis suggests this role is
optimal for Lead candidates.
“Principal Information Security Engineer at SentiLink. Skills: security engineering, AWS, penetration testing, security automation. Design and build internal security tooling. Identify vulnerabilities across SentiLink's AWS-based stack”
What You'll Achieve.
lead and elevate security; building scalable security foundations; enabling the business to move quickly and safely; design secure systems; improve detection and response capabilities; strengthen cloud security posture; reduce organizational risk; shape long-term security strategy; technical implementation; operational execution; scale offensive security testing; improves detection, response, and remediation
Industry & Context.
practical judgment; Comfortable operating independently on ambiguous problems
security on-call rotation, incident response, regular response testing
What They're Looking For.
Must Have
8+ years of experience in security engineering, software engineering with a security focus, Proficient in at least one systems language (Go, Rust, C++), Proficient in at least one higher-level language (Python, TypeScript), Proven ability to design and ship production software end-to-end, Deep AWS infrastructure expertise, IAM, EKS, RDS, networking, managed services, Demonstrated ability to identify security misconfigurations and vulnerabilities across cloud architectures, application code, integrations between them, Experience conducting or building tooling for penetration testing, vulnerability assessment, red team activities, Track record of building security automation and tooling from scratch, Comfortable operating independently on ambiguous problems without heavy process or oversight, communication skills, ability to partner with engineers who are not security specialists
Nice to Have
Experience building or deploying LLM-based agents, AI-assisted security tooling, Prior experience at a security product company, Prior fintech, identity, fraud detection experience, OSCP, OSCE, GPEN, GXPN, Experience with detection engineering, SIEM platforms, Published security research, CVEs, open source security tooling contributions, Experience supporting compliance frameworks (FedRAMP, SOC 2, PCI DSS)
What You'll Do.
Design and build internal security tooling
Identify vulnerabilities across SentiLink's AWS-based stack
Develop AI-assisted and agent-based tooling
Build and maintain security automation
Conduct hands-on penetration testing
Partner with engineering teams to remediate findings
Participate in the security on-call rotation
Contribute to threat modeling
Stay current on offensive security techniques
How You'll Work.
Team & Collaboration
Partner closely with Engineering, Infrastructure, Product, Legal, and Compliance teams; Partner with engineering teams to remediate findings; embed security into the development process; partner with engineers who are not security specialists
Communication Scope
communication skills; ability to partner with engineers
Full Job Description
SentiLink https://www.sentilink.com/ provides innovative identity and risk solutions, empowering institutions and individuals to transaction with confidence. We’re building the future of identity verification in the United States replacing a clunky, ineffective, and expensive status quo with solutions that are 10x faster, smarter, and more accurate. We’ve seen tremendous traction and are growing extremely quickly. Our real-time APIs have helped verify hundreds of millions of identities, starting with financial services and rapidly expanding into new markets. SentiLink is backed by world-class investors including Craft Ventures, Andreessen Horowitz, NYCA, and Max Levchin. We’ve earned recognition from TechCrunch, CNBC, Bloomberg, Forbes, Business Insider, PYMNTS, American Banker, LendIt, and have been named to the Forbes Fintech 50 https://www.forbes.com/companies/sentilink/?list=fintech50. We have also been named a 2026 FICO Industry Vanguard Decision Award Winner https://www.businesswire.com/news/home/20260330439998/en/SentiLink-Named-a-2026-FICO-Industry-Vanguard-Decision-Award-Winner-for-Leadership-in-Identity-Theft-Detection. Last but not least, we’ve even made history - we were the first company to go live with the eCBSV https://resources.sentilink.com/blog/sentilink-makes-history-as-first-ecbsv-provider and testified before the United States House of Representatives https://resources.sentilink.com/media/sentilinks-statement-before-the-house-financial-services-committee on the future of identity. SentiLink supports a variety of ways to work, ranging from fully remote to in-office. We operate as a digital-first company with strong collaboration across the U.S. and India. We maintain physical offices in Austin, San Francisco, New York City, Seattle, Los Angeles, and Chicago in the U.S., and in Gurugram (Delhi) and Bengaluru in India. If you’re located near one of these offices, we would love for you to spend time in the office regularly. Some roles are hybrid or
Applying for this Principal Information Security Engineer role?
Most applicants get filtered before a human reads their resume. See if yours makes the cut.
How to Apply on Ashby
- Ashby is a fast modern ATS — most applications take under 3 minutes.
- The resume parser is strong; verify parsed experience dates and job titles.
- Custom screening questions are often scored algorithmically — answer completely.
- Location field affects geo-based screening; use your actual metro area.
ANONYMOUS · UNFILTERED
What do employees actually say about SentiLink?
Real rants from real employees. Read before you apply.